CA2698039C - Low-complexity spectral analysis/synthesis using selectable time resolution - Google Patents
Low-complexity spectral analysis/synthesis using selectable time resolution Download PDFInfo
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- CA2698039C CA2698039C CA2698039A CA2698039A CA2698039C CA 2698039 C CA2698039 C CA 2698039C CA 2698039 A CA2698039 A CA 2698039A CA 2698039 A CA2698039 A CA 2698039A CA 2698039 C CA2698039 C CA 2698039C
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- 230000003595 spectral effect Effects 0.000 claims abstract description 53
- 238000012545 processing Methods 0.000 claims abstract description 38
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Spectrometry And Color Measurement (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US96812507P | 2007-08-27 | 2007-08-27 | |
| US60/968,125 | 2007-08-27 | ||
| PCT/SE2008/050959 WO2009029032A2 (en) | 2007-08-27 | 2008-08-25 | Low-complexity spectral analysis/synthesis using selectable time resolution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2698039A1 CA2698039A1 (en) | 2009-03-05 |
| CA2698039C true CA2698039C (en) | 2016-05-17 |
Family
ID=40388070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2698039A Active CA2698039C (en) | 2007-08-27 | 2008-08-25 | Low-complexity spectral analysis/synthesis using selectable time resolution |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US8392202B2 (zh) |
| EP (3) | EP2186088B1 (zh) |
| JP (1) | JP5140730B2 (zh) |
| CN (2) | CN103594090B (zh) |
| BR (1) | BRPI0816136B1 (zh) |
| CA (1) | CA2698039C (zh) |
| DK (2) | DK3288028T3 (zh) |
| ES (3) | ES2748843T3 (zh) |
| MX (1) | MX2010001763A (zh) |
| PT (1) | PT3550564T (zh) |
| WO (1) | WO2009029032A2 (zh) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2571024B1 (en) | 2007-08-27 | 2014-10-22 | Telefonaktiebolaget L M Ericsson AB (Publ) | Adaptive transition frequency between noise fill and bandwidth extension |
| PL2186090T3 (pl) | 2007-08-27 | 2017-06-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Detektor stanów przejściowych i sposób wspierający kodowanie sygnału audio |
| US8548815B2 (en) * | 2007-09-19 | 2013-10-01 | Qualcomm Incorporated | Efficient design of MDCT / IMDCT filterbanks for speech and audio coding applications |
| US9189250B2 (en) * | 2008-01-16 | 2015-11-17 | Honeywell International Inc. | Method and system for re-invoking displays |
| WO2010086461A1 (en) | 2009-01-28 | 2010-08-05 | Dolby International Ab | Improved harmonic transposition |
| CA3162808C (en) | 2009-01-28 | 2023-10-10 | Dolby International Ab | Improved harmonic transposition |
| CN103559891B (zh) * | 2009-09-18 | 2016-05-11 | 杜比国际公司 | 改进的谐波转置 |
| EP2372705A1 (en) * | 2010-03-24 | 2011-10-05 | Thomson Licensing | Method and apparatus for encoding and decoding excitation patterns from which the masking levels for an audio signal encoding and decoding are determined |
| CN102222505B (zh) * | 2010-04-13 | 2012-12-19 | 中兴通讯股份有限公司 | 可分层音频编解码方法系统及瞬态信号可分层编解码方法 |
| EP2619758B1 (en) * | 2010-10-15 | 2015-08-19 | Huawei Technologies Co., Ltd. | Audio signal transformer and inverse transformer, methods for audio signal analysis and synthesis |
| EP2676267B1 (en) | 2011-02-14 | 2017-07-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoding and decoding of pulse positions of tracks of an audio signal |
| MY159444A (en) | 2011-02-14 | 2017-01-13 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V | Encoding and decoding of pulse positions of tracks of an audio signal |
| EP2676264B1 (en) | 2011-02-14 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder estimating background noise during active phases |
| AU2012217216B2 (en) | 2011-02-14 | 2015-09-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result |
| PL2676268T3 (pl) | 2011-02-14 | 2015-05-29 | Fraunhofer Ges Forschung | Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej |
| WO2012110482A2 (en) | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Noise generation in audio codecs |
| RU2630390C2 (ru) | 2011-02-14 | 2017-09-07 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ для маскирования ошибок при стандартизированном кодировании речи и аудио с низкой задержкой (usac) |
| JP6110314B2 (ja) | 2011-02-14 | 2017-04-05 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 整列したルックアヘッド部分を用いてオーディオ信号を符号化及び復号するための装置並びに方法 |
| ES2458436T3 (es) * | 2011-02-14 | 2014-05-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Representación de señal de información utilizando transformada superpuesta |
| PL2676266T3 (pl) | 2011-02-14 | 2015-08-31 | Fraunhofer Ges Forschung | Układ kodowania na bazie predykcji liniowej wykorzystujący kształtowanie szumu w dziedzinie widmowej |
| KR20150032614A (ko) * | 2012-06-04 | 2015-03-27 | 삼성전자주식회사 | 오디오 부호화방법 및 장치, 오디오 복호화방법 및 장치, 및 이를 채용하는 멀티미디어 기기 |
| US9760536B2 (en) | 2012-08-16 | 2017-09-12 | Ecole polytechnique fédérale de Lausanne (EPFL) | Method and apparatus for low complexity spectral analysis of bio-signals |
| EP3564953B1 (en) | 2013-04-05 | 2022-03-23 | Dolby Laboratories Licensing Corporation | Apparatus and methods for expanding and compressing to reduce quantization noise using advanced spectral extension |
| CN104240697A (zh) * | 2013-06-24 | 2014-12-24 | 浙江大华技术股份有限公司 | 一种音频数据的特征提取方法及装置 |
| EP3028275B1 (en) | 2013-08-23 | 2017-09-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for processing an audio signal using a combination in an overlap range |
| CN103745726B (zh) * | 2013-11-07 | 2016-08-17 | 中国电子科技集团公司第四十一研究所 | 一种自适应的变采样率音频采样方法 |
| US10410645B2 (en) | 2014-03-03 | 2019-09-10 | Samsung Electronics Co., Ltd. | Method and apparatus for high frequency decoding for bandwidth extension |
| WO2015162500A2 (ko) * | 2014-03-24 | 2015-10-29 | 삼성전자 주식회사 | 고대역 부호화방법 및 장치와 고대역 복호화 방법 및 장치 |
| CN105336336B (zh) | 2014-06-12 | 2016-12-28 | 华为技术有限公司 | 一种音频信号的时域包络处理方法及装置、编码器 |
| JP6754764B2 (ja) * | 2014-12-09 | 2020-09-16 | ドルビー・インターナショナル・アーベー | Ｍｄｃｔ領域の誤り隠蔽 |
| EP3271736B1 (en) | 2015-03-17 | 2019-09-04 | Zynaptiq GmbH | Methods for extending frequency transforms to resolve features in the spatio-temporal domain |
| US9837089B2 (en) * | 2015-06-18 | 2017-12-05 | Qualcomm Incorporated | High-band signal generation |
| US10847170B2 (en) | 2015-06-18 | 2020-11-24 | Qualcomm Incorporated | Device and method for generating a high-band signal from non-linearly processed sub-ranges |
| EP3276620A1 (en) * | 2016-07-29 | 2018-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Time domain aliasing reduction for non-uniform filterbanks which use spectral analysis followed by partial synthesis |
| JP6486978B2 (ja) * | 2017-02-10 | 2019-03-20 | 三菱重工業株式会社 | 積層部材、並びに、これを用いた羽根車、圧縮機及びエンジン |
| US10699723B2 (en) * | 2017-04-25 | 2020-06-30 | Dts, Inc. | Encoding and decoding of digital audio signals using variable alphabet size |
| EP3616197A4 (en) * | 2017-04-28 | 2021-01-27 | DTS, Inc. | AUDIO ENCODER WINDOW SIZES AND TIME-FREQUENCY TRANSFORMATIONS |
| CN112255456B (zh) * | 2020-12-22 | 2021-03-16 | 深圳市鼎阳科技股份有限公司 | 一种用于频谱分析仪的扫频方法和扫频装置 |
| WO2022177481A1 (en) * | 2021-02-18 | 2022-08-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Encoding and decoding complex data |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5297236A (en) * | 1989-01-27 | 1994-03-22 | Dolby Laboratories Licensing Corporation | Low computational-complexity digital filter bank for encoder, decoder, and encoder/decoder |
| CN1062963C (zh) * | 1990-04-12 | 2001-03-07 | 多尔拜实验特许公司 | 用于产生高质量声音信号的解码器和编码器 |
| US6115689A (en) * | 1998-05-27 | 2000-09-05 | Microsoft Corporation | Scalable audio coder and decoder |
| CN100361405C (zh) * | 1998-05-27 | 2008-01-09 | 微软公司 | 利用可升级的音频编码器和解码器处理输入信号的方法 |
| JP2000134105A (ja) * | 1998-10-29 | 2000-05-12 | Matsushita Electric Ind Co Ltd | オーディオ変換符号化に用いられるブロックサイズを決定し適応させる方法 |
| US6233549B1 (en) * | 1998-11-23 | 2001-05-15 | Qualcomm, Inc. | Low frequency spectral enhancement system and method |
| US6226608B1 (en) * | 1999-01-28 | 2001-05-01 | Dolby Laboratories Licensing Corporation | Data framing for adaptive-block-length coding system |
| US6430529B1 (en) * | 1999-02-26 | 2002-08-06 | Sony Corporation | System and method for efficient time-domain aliasing cancellation |
| US6978236B1 (en) * | 1999-10-01 | 2005-12-20 | Coding Technologies Ab | Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
| JP3753956B2 (ja) * | 2001-06-21 | 2006-03-08 | シャープ株式会社 | 符号化装置 |
| JP3815323B2 (ja) * | 2001-12-28 | 2006-08-30 | 日本ビクター株式会社 | 周波数変換ブロック長適応変換装置及びプログラム |
| US7275036B2 (en) * | 2002-04-18 | 2007-09-25 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for coding a time-discrete audio signal to obtain coded audio data and for decoding coded audio data |
| DE10217297A1 (de) * | 2002-04-18 | 2003-11-06 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zum Codieren eines zeitdiskreten Audiosignals und Vorrichtung und Verfahren zum Decodieren von codierten Audiodaten |
| CN1460992A (zh) * | 2003-07-01 | 2003-12-10 | 北京阜国数字技术有限公司 | 用于感知音频编/解码的低延时、自适应的多分辨率滤波器组 |
| US7516064B2 (en) * | 2004-02-19 | 2009-04-07 | Dolby Laboratories Licensing Corporation | Adaptive hybrid transform for signal analysis and synthesis |
| US7630902B2 (en) | 2004-09-17 | 2009-12-08 | Digital Rise Technology Co., Ltd. | Apparatus and methods for digital audio coding using codebook application ranges |
| US7974837B2 (en) * | 2005-06-23 | 2011-07-05 | Panasonic Corporation | Audio encoding apparatus, audio decoding apparatus, and audio encoded information transmitting apparatus |
| EP2015293A1 (en) * | 2007-06-14 | 2009-01-14 | Deutsche Thomson OHG | Method and apparatus for encoding and decoding an audio signal using adaptively switched temporal resolution in the spectral domain |
-
2008
- 2008-08-25 PT PT191750942T patent/PT3550564T/pt unknown
- 2008-08-25 DK DK17194762.5T patent/DK3288028T3/da active
- 2008-08-25 WO PCT/SE2008/050959 patent/WO2009029032A2/en active Application Filing
- 2008-08-25 MX MX2010001763A patent/MX2010001763A/es active IP Right Grant
- 2008-08-25 ES ES17194762T patent/ES2748843T3/es active Active
- 2008-08-25 EP EP08828335.3A patent/EP2186088B1/en active Active
- 2008-08-25 ES ES19175094T patent/ES2823560T3/es active Active
- 2008-08-25 EP EP19175094.2A patent/EP3550564B1/en active Active
- 2008-08-25 DK DK08828335.3T patent/DK2186088T3/en active
- 2008-08-25 EP EP17194762.5A patent/EP3288028B1/en active Active
- 2008-08-25 BR BRPI0816136-4A patent/BRPI0816136B1/pt active IP Right Grant
- 2008-08-25 CA CA2698039A patent/CA2698039C/en active Active
- 2008-08-25 ES ES08828335.3T patent/ES2658942T3/es active Active
- 2008-08-25 US US12/675,461 patent/US8392202B2/en active Active
- 2008-08-25 JP JP2010522865A patent/JP5140730B2/ja active Active
- 2008-08-25 CN CN201310553487.1A patent/CN103594090B/zh active Active
- 2008-08-25 CN CN2008801048320A patent/CN101878504B/zh active Active
-
2013
- 2013-02-05 US US13/759,748 patent/US8706511B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101878504A (zh) | 2010-11-03 |
| CN103594090A (zh) | 2014-02-19 |
| EP2186088B1 (en) | 2017-11-15 |
| US8392202B2 (en) | 2013-03-05 |
| DK2186088T3 (en) | 2018-01-15 |
| CA2698039A1 (en) | 2009-03-05 |
| EP2186088A4 (en) | 2015-05-06 |
| US20100250265A1 (en) | 2010-09-30 |
| EP2186088A2 (en) | 2010-05-19 |
| ES2658942T3 (es) | 2018-03-13 |
| JP2010538314A (ja) | 2010-12-09 |
| EP3550564A1 (en) | 2019-10-09 |
| ES2823560T3 (es) | 2021-05-07 |
| PT3550564T (pt) | 2020-08-18 |
| DK3288028T3 (da) | 2019-09-02 |
| US20130246074A1 (en) | 2013-09-19 |
| EP3288028A1 (en) | 2018-02-28 |
| CN101878504B (zh) | 2013-12-04 |
| CN103594090B (zh) | 2017-10-10 |
| ES2748843T3 (es) | 2020-03-18 |
| BRPI0816136B1 (pt) | 2020-03-03 |
| BRPI0816136A2 (pt) | 2015-02-24 |
| MX2010001763A (es) | 2010-03-10 |
| US8706511B2 (en) | 2014-04-22 |
| WO2009029032A2 (en) | 2009-03-05 |
| WO2009029032A3 (en) | 2009-04-23 |
| EP3288028B1 (en) | 2019-07-03 |
| JP5140730B2 (ja) | 2013-02-13 |
| EP3550564B1 (en) | 2020-07-22 |
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